1788 lines
54 KiB
C
1788 lines
54 KiB
C
/*
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* DOS file system functions
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*
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* Copyright 1993 Erik Bos
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* Copyright 1996 Alexandre Julliard
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <errno.h>
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#include <sys/errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <time.h>
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#include <unistd.h>
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#include "windows.h"
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#include "winerror.h"
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#include "drive.h"
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#include "file.h"
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#include "heap.h"
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#include "msdos.h"
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#include "syslevel.h"
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#include "debug.h"
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/* Define the VFAT ioctl to get both short and long file names */
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/* FIXME: is it possible to get this to work on other systems? */
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#ifdef linux
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, long)
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/* We want the real kernel dirent structure, not the libc one */
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typedef struct
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{
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long d_ino;
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long d_off;
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unsigned short d_reclen;
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char d_name[256];
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} KERNEL_DIRENT;
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#else /* linux */
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#undef VFAT_IOCTL_READDIR_BOTH /* just in case... */
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#endif /* linux */
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/* Chars we don't want to see in DOS file names */
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#define INVALID_DOS_CHARS "*?<>|\"+=,;[] \345"
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static const DOS_DEVICE DOSFS_Devices[] =
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/* name, device flags (see Int 21/AX=0x4400) */
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{
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{ "CON", 0xc0d3 },
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{ "PRN", 0xa0c0 },
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{ "NUL", 0x80c4 },
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{ "AUX", 0x80c0 },
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{ "LPT1", 0xa0c0 },
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{ "LPT2", 0xa0c0 },
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{ "LPT3", 0xa0c0 },
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{ "LPT4", 0xc0d3 },
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{ "COM1", 0x80c0 },
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{ "COM2", 0x80c0 },
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{ "COM3", 0x80c0 },
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{ "COM4", 0x80c0 },
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{ "SCSIMGR$", 0xc0c0 },
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{ "HPSCAN", 0xc0c0 }
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};
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#define GET_DRIVE(path) \
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(((path)[1] == ':') ? toupper((path)[0]) - 'A' : DOSFS_CurDrive)
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/* DOS extended error status */
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WORD DOS_ExtendedError;
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BYTE DOS_ErrorClass;
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BYTE DOS_ErrorAction;
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BYTE DOS_ErrorLocus;
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/* Directory info for DOSFS_ReadDir */
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typedef struct
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{
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DIR *dir;
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#ifdef VFAT_IOCTL_READDIR_BOTH
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int fd;
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char short_name[12];
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KERNEL_DIRENT dirent[2];
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#endif
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} DOS_DIR;
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/* Info structure for FindFirstFile handle */
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typedef struct
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{
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LPSTR path;
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LPSTR long_mask;
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LPSTR short_mask;
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BYTE attr;
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int drive;
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int cur_pos;
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DOS_DIR *dir;
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} FIND_FIRST_INFO;
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/***********************************************************************
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* DOSFS_ValidDOSName
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*
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* Return 1 if Unix file 'name' is also a valid MS-DOS name
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* (i.e. contains only valid DOS chars, lower-case only, fits in 8.3 format).
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* File name can be terminated by '\0', '\\' or '/'.
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*/
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static int DOSFS_ValidDOSName( const char *name, int ignore_case )
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{
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static const char invalid_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" INVALID_DOS_CHARS;
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const char *p = name;
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const char *invalid = ignore_case ? (invalid_chars + 26) : invalid_chars;
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int len = 0;
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if (*p == '.')
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{
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/* Check for "." and ".." */
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p++;
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if (*p == '.') p++;
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/* All other names beginning with '.' are invalid */
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return (IS_END_OF_NAME(*p));
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}
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while (!IS_END_OF_NAME(*p))
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{
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if (strchr( invalid, *p )) return 0; /* Invalid char */
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if (*p == '.') break; /* Start of the extension */
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if (++len > 8) return 0; /* Name too long */
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p++;
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}
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if (*p != '.') return 1; /* End of name */
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p++;
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if (IS_END_OF_NAME(*p)) return 0; /* Empty extension not allowed */
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len = 0;
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while (!IS_END_OF_NAME(*p))
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{
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if (strchr( invalid, *p )) return 0; /* Invalid char */
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if (*p == '.') return 0; /* Second extension not allowed */
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if (++len > 3) return 0; /* Extension too long */
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p++;
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}
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return 1;
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}
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/***********************************************************************
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* DOSFS_ToDosFCBFormat
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*
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* Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
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* expanding wild cards and converting to upper-case in the process.
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* File name can be terminated by '\0', '\\' or '/'.
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* Return FALSE if the name is not a valid DOS name.
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* 'buffer' must be at least 12 characters long.
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*/
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BOOL32 DOSFS_ToDosFCBFormat( LPCSTR name, LPSTR buffer )
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{
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static const char invalid_chars[] = INVALID_DOS_CHARS;
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const char *p = name;
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int i;
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/* Check for "." and ".." */
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if (*p == '.')
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{
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p++;
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strcpy( buffer, ". " );
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if (*p == '.')
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{
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buffer[1] = '.';
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p++;
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}
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return (!*p || (*p == '/') || (*p == '\\'));
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}
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for (i = 0; i < 8; i++)
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{
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switch(*p)
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{
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case '\0':
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case '\\':
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case '/':
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case '.':
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buffer[i] = ' ';
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break;
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case '?':
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p++;
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/* fall through */
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case '*':
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buffer[i] = '?';
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break;
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default:
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if (strchr( invalid_chars, *p )) return FALSE;
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buffer[i] = toupper(*p);
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p++;
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break;
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}
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}
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if (*p == '*')
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{
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/* Skip all chars after wildcard up to first dot */
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while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++;
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}
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else
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{
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/* Check if name too long */
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if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return FALSE;
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}
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if (*p == '.') p++; /* Skip dot */
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for (i = 8; i < 11; i++)
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{
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switch(*p)
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{
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case '\0':
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case '\\':
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case '/':
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buffer[i] = ' ';
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break;
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case '.':
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return FALSE; /* Second extension not allowed */
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case '?':
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p++;
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/* fall through */
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case '*':
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buffer[i] = '?';
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break;
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default:
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if (strchr( invalid_chars, *p )) return FALSE;
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buffer[i] = toupper(*p);
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p++;
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break;
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}
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}
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buffer[11] = '\0';
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return TRUE;
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}
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/***********************************************************************
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* DOSFS_ToDosDTAFormat
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*
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* Convert a file name from FCB to DTA format (name.ext, null-terminated)
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* converting to upper-case in the process.
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* File name can be terminated by '\0', '\\' or '/'.
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* 'buffer' must be at least 13 characters long.
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*/
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static void DOSFS_ToDosDTAFormat( LPCSTR name, LPSTR buffer )
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{
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char *p;
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memcpy( buffer, name, 8 );
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for (p = buffer + 8; (p > buffer) && (p[-1] == ' '); p--);
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*p++ = '.';
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memcpy( p, name + 8, 3 );
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for (p += 3; p[-1] == ' '; p--);
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if (p[-1] == '.') p--;
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*p = '\0';
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}
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/***********************************************************************
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* DOSFS_MatchShort
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*
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* Check a DOS file name against a mask (both in FCB format).
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*/
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static int DOSFS_MatchShort( const char *mask, const char *name )
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{
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int i;
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for (i = 11; i > 0; i--, mask++, name++)
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if ((*mask != '?') && (*mask != *name)) return 0;
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return 1;
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}
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/***********************************************************************
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* DOSFS_MatchLong
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*
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* Check a long file name against a mask.
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*/
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static int DOSFS_MatchLong( const char *mask, const char *name,
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int case_sensitive )
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{
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if (!strcmp( mask, "*.*" )) return 1;
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while (*name && *mask)
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{
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if (*mask == '*')
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{
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mask++;
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while (*mask == '*') mask++; /* Skip consecutive '*' */
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if (!*mask) return 1;
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if (case_sensitive) while (*name && (*name != *mask)) name++;
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else while (*name && (toupper(*name) != toupper(*mask))) name++;
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if (!*name) return 0;
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}
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else if (*mask != '?')
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{
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if (case_sensitive)
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{
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if (*mask != *name) return 0;
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}
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else if (toupper(*mask) != toupper(*name)) return 0;
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}
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mask++;
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name++;
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}
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return (!*name && !*mask);
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}
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/***********************************************************************
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* DOSFS_OpenDir
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*/
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static DOS_DIR *DOSFS_OpenDir( LPCSTR path )
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{
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DOS_DIR *dir = HeapAlloc( SystemHeap, 0, sizeof(*dir) );
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if (!dir)
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{
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DOS_ERROR( ER_OutOfMemory, EC_OutOfResource, SA_Abort, EL_Memory );
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return NULL;
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}
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/* Treat empty path as root directory. This simplifies path split into
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directory and mask in several other places */
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if (!*path) path = "/";
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#ifdef VFAT_IOCTL_READDIR_BOTH
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/* Check if the VFAT ioctl is supported on this directory */
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if ((dir->fd = open( path, O_RDONLY )) != -1)
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{
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if (ioctl( dir->fd, VFAT_IOCTL_READDIR_BOTH, (long)dir->dirent ) == -1)
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{
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close( dir->fd );
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dir->fd = -1;
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}
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else
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{
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/* Set the file pointer back at the start of the directory */
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lseek( dir->fd, 0, SEEK_SET );
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dir->dir = NULL;
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return dir;
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}
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}
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#endif /* VFAT_IOCTL_READDIR_BOTH */
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/* Now use the standard opendir/readdir interface */
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if (!(dir->dir = opendir( path )))
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{
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HeapFree( SystemHeap, 0, dir );
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return NULL;
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}
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return dir;
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}
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/***********************************************************************
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* DOSFS_CloseDir
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*/
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static void DOSFS_CloseDir( DOS_DIR *dir )
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{
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#ifdef VFAT_IOCTL_READDIR_BOTH
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if (dir->fd != -1) close( dir->fd );
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#endif /* VFAT_IOCTL_READDIR_BOTH */
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if (dir->dir) closedir( dir->dir );
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HeapFree( SystemHeap, 0, dir );
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}
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/***********************************************************************
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* DOSFS_ReadDir
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*/
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static BOOL32 DOSFS_ReadDir( DOS_DIR *dir, LPCSTR *long_name,
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LPCSTR *short_name )
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{
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struct dirent *dirent;
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#ifdef VFAT_IOCTL_READDIR_BOTH
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if (dir->fd != -1)
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{
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if (ioctl( dir->fd, VFAT_IOCTL_READDIR_BOTH, (long)dir->dirent ) != -1) {
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if (!dir->dirent[0].d_reclen) return FALSE;
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if (!DOSFS_ToDosFCBFormat( dir->dirent[0].d_name, dir->short_name ))
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dir->short_name[0] = '\0';
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*short_name = dir->short_name;
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if (dir->dirent[1].d_name[0]) *long_name = dir->dirent[1].d_name;
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else *long_name = dir->dirent[0].d_name;
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return TRUE;
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}
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}
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#endif /* VFAT_IOCTL_READDIR_BOTH */
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if (!(dirent = readdir( dir->dir ))) return FALSE;
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*long_name = dirent->d_name;
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*short_name = NULL;
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return TRUE;
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}
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/***********************************************************************
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* DOSFS_Hash
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*
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* Transform a Unix file name into a hashed DOS name. If the name is a valid
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* DOS name, it is converted to upper-case; otherwise it is replaced by a
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* hashed version that fits in 8.3 format.
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* File name can be terminated by '\0', '\\' or '/'.
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* 'buffer' must be at least 13 characters long.
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*/
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static void DOSFS_Hash( LPCSTR name, LPSTR buffer, BOOL32 dir_format,
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BOOL32 ignore_case )
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{
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static const char invalid_chars[] = INVALID_DOS_CHARS "~.";
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static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
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const char *p, *ext;
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char *dst;
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unsigned short hash;
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int i;
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if (dir_format) strcpy( buffer, " " );
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if (DOSFS_ValidDOSName( name, ignore_case ))
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{
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/* Check for '.' and '..' */
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if (*name == '.')
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{
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buffer[0] = '.';
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if (!dir_format) buffer[1] = buffer[2] = '\0';
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if (name[1] == '.') buffer[1] = '.';
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return;
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}
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/* Simply copy the name, converting to uppercase */
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for (dst = buffer; !IS_END_OF_NAME(*name) && (*name != '.'); name++)
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*dst++ = toupper(*name);
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if (*name == '.')
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{
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if (dir_format) dst = buffer + 8;
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else *dst++ = '.';
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for (name++; !IS_END_OF_NAME(*name); name++)
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*dst++ = toupper(*name);
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}
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if (!dir_format) *dst = '\0';
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return;
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}
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/* Compute the hash code of the file name */
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/* If you know something about hash functions, feel free to */
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/* insert a better algorithm here... */
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if (ignore_case)
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{
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for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++)
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hash = (hash<<3) ^ (hash>>5) ^ tolower(*p) ^ (tolower(p[1]) << 8);
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hash = (hash<<3) ^ (hash>>5) ^ tolower(*p); /* Last character*/
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}
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else
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{
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for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++)
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hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8);
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hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */
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}
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/* Find last dot for start of the extension */
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for (p = name+1, ext = NULL; !IS_END_OF_NAME(*p); p++)
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if (*p == '.') ext = p;
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if (ext && IS_END_OF_NAME(ext[1]))
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ext = NULL; /* Empty extension ignored */
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/* Copy first 4 chars, replacing invalid chars with '_' */
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for (i = 4, p = name, dst = buffer; i > 0; i--, p++)
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{
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if (IS_END_OF_NAME(*p) || (p == ext)) break;
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*dst++ = strchr( invalid_chars, *p ) ? '_' : toupper(*p);
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}
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/* Pad to 5 chars with '~' */
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while (i-- >= 0) *dst++ = '~';
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/* Insert hash code converted to 3 ASCII chars */
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*dst++ = hash_chars[(hash >> 10) & 0x1f];
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*dst++ = hash_chars[(hash >> 5) & 0x1f];
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*dst++ = hash_chars[hash & 0x1f];
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/* Copy the first 3 chars of the extension (if any) */
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if (ext)
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{
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if (!dir_format) *dst++ = '.';
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for (i = 3, ext++; (i > 0) && !IS_END_OF_NAME(*ext); i--, ext++)
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*dst++ = strchr( invalid_chars, *ext ) ? '_' : toupper(*ext);
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}
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if (!dir_format) *dst = '\0';
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}
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|
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/***********************************************************************
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* DOSFS_FindUnixName
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*
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* Find the Unix file name in a given directory that corresponds to
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* a file name (either in Unix or DOS format).
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* File name can be terminated by '\0', '\\' or '/'.
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* Return TRUE if OK, FALSE if no file name matches.
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*
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* 'long_buf' must be at least 'long_len' characters long. If the long name
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* turns out to be larger than that, the function returns FALSE.
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* 'short_buf' must be at least 13 characters long.
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*/
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BOOL32 DOSFS_FindUnixName( LPCSTR path, LPCSTR name, LPSTR long_buf,
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INT32 long_len, LPSTR short_buf, BOOL32 ignore_case)
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{
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DOS_DIR *dir;
|
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LPCSTR long_name, short_name;
|
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char dos_name[12], tmp_buf[13];
|
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BOOL32 ret;
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|
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const char *p = strchr( name, '/' );
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int len = p ? (int)(p - name) : strlen(name);
|
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if ((p = strchr( name, '\\' ))) len = MIN( (int)(p - name), len );
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if (long_len < len + 1) return FALSE;
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|
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TRACE(dosfs, "%s,%s\n", path, name );
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|
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if (!DOSFS_ToDosFCBFormat( name, dos_name )) dos_name[0] = '\0';
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|
|
if (!(dir = DOSFS_OpenDir( path )))
|
|
{
|
|
WARN(dosfs, "(%s,%s): can't open dir: %s\n",
|
|
path, name, strerror(errno) );
|
|
return FALSE;
|
|
}
|
|
|
|
while ((ret = DOSFS_ReadDir( dir, &long_name, &short_name )))
|
|
{
|
|
/* Check against Unix name */
|
|
if (len == strlen(long_name))
|
|
{
|
|
if (!ignore_case)
|
|
{
|
|
if (!lstrncmp32A( long_name, name, len )) break;
|
|
}
|
|
else
|
|
{
|
|
if (!lstrncmpi32A( long_name, name, len )) break;
|
|
}
|
|
}
|
|
if (dos_name[0])
|
|
{
|
|
/* Check against hashed DOS name */
|
|
if (!short_name)
|
|
{
|
|
DOSFS_Hash( long_name, tmp_buf, TRUE, ignore_case );
|
|
short_name = tmp_buf;
|
|
}
|
|
if (!strcmp( dos_name, short_name )) break;
|
|
}
|
|
}
|
|
if (ret)
|
|
{
|
|
if (long_buf) strcpy( long_buf, long_name );
|
|
if (short_buf)
|
|
{
|
|
if (short_name)
|
|
DOSFS_ToDosDTAFormat( short_name, short_buf );
|
|
else
|
|
DOSFS_Hash( long_name, short_buf, FALSE, ignore_case );
|
|
}
|
|
TRACE(dosfs, "(%s,%s) -> %s (%s)\n",
|
|
path, name, long_name, short_buf ? short_buf : "***");
|
|
}
|
|
else
|
|
WARN(dosfs, "'%s' not found in '%s'\n", name, path);
|
|
DOSFS_CloseDir( dir );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_GetDevice
|
|
*
|
|
* Check if a DOS file name represents a DOS device and return the device.
|
|
*/
|
|
const DOS_DEVICE *DOSFS_GetDevice( const char *name )
|
|
{
|
|
int i;
|
|
const char *p;
|
|
|
|
if (!name) return NULL; /* if FILE_DupUnixHandle was used */
|
|
if (name[0] && (name[1] == ':')) name += 2;
|
|
if ((p = strrchr( name, '/' ))) name = p + 1;
|
|
if ((p = strrchr( name, '\\' ))) name = p + 1;
|
|
for (i = 0; i < sizeof(DOSFS_Devices)/sizeof(DOSFS_Devices[0]); i++)
|
|
{
|
|
const char *dev = DOSFS_Devices[i].name;
|
|
if (!lstrncmpi32A( dev, name, strlen(dev) ))
|
|
{
|
|
p = name + strlen( dev );
|
|
if (!*p || (*p == '.')) return &DOSFS_Devices[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DOSFS_OpenDevice
|
|
*
|
|
* Open a DOS device. This might not map 1:1 into the UNIX device concept.
|
|
*/
|
|
HFILE32 DOSFS_OpenDevice( const char *name, int unixmode )
|
|
{
|
|
int i;
|
|
const char *p;
|
|
FILE_OBJECT *file;
|
|
HFILE32 handle;
|
|
|
|
if (!name) return (HFILE32)NULL; /* if FILE_DupUnixHandle was used */
|
|
if (name[0] && (name[1] == ':')) name += 2;
|
|
if ((p = strrchr( name, '/' ))) name = p + 1;
|
|
if ((p = strrchr( name, '\\' ))) name = p + 1;
|
|
for (i = 0; i < sizeof(DOSFS_Devices)/sizeof(DOSFS_Devices[0]); i++)
|
|
{
|
|
const char *dev = DOSFS_Devices[i].name;
|
|
if (!lstrncmpi32A( dev, name, strlen(dev) ))
|
|
{
|
|
p = name + strlen( dev );
|
|
if (!*p || (*p == '.')) {
|
|
/* got it */
|
|
if (!strcmp(DOSFS_Devices[i].name,"NUL"))
|
|
return FILE_OpenUnixFile("/dev/null",unixmode);
|
|
if (!strcmp(DOSFS_Devices[i].name,"CON")) {
|
|
HFILE32 to_dup;
|
|
HFILE32 handle;
|
|
switch (unixmode) {
|
|
case O_RDONLY:
|
|
to_dup = GetStdHandle( STD_INPUT_HANDLE );
|
|
break;
|
|
case O_WRONLY:
|
|
to_dup = GetStdHandle( STD_OUTPUT_HANDLE );
|
|
break;
|
|
default:
|
|
FIXME(dosfs,"can't open CON read/write\n");
|
|
return HFILE_ERROR32;
|
|
break;
|
|
}
|
|
if (!DuplicateHandle( GetCurrentProcess(), to_dup, GetCurrentProcess(),
|
|
&handle, 0, FALSE, DUPLICATE_SAME_ACCESS ))
|
|
handle = HFILE_ERROR32;
|
|
return handle;
|
|
}
|
|
if (!strcmp(DOSFS_Devices[i].name,"SCSIMGR$")) {
|
|
if ((handle = FILE_Alloc( &file )) == INVALID_HANDLE_VALUE32)
|
|
return HFILE_ERROR32;
|
|
else {
|
|
file->unix_name = HEAP_strdupA( SystemHeap, 0, name );
|
|
return handle;
|
|
}
|
|
}
|
|
if (!strcmp(DOSFS_Devices[i].name,"HPSCAN")) {
|
|
if ((handle = FILE_Alloc( &file )) == INVALID_HANDLE_VALUE32)
|
|
return HFILE_ERROR32;
|
|
else {
|
|
file->unix_name = HEAP_strdupA( SystemHeap, 0, name );
|
|
return handle;
|
|
}
|
|
}
|
|
FIXME(dosfs,"device open %s not supported (yet)\n",DOSFS_Devices[i].name);
|
|
return HFILE_ERROR32;
|
|
}
|
|
}
|
|
}
|
|
return HFILE_ERROR32;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_GetPathDrive
|
|
*
|
|
* Get the drive specified by a given path name (DOS or Unix format).
|
|
*/
|
|
static int DOSFS_GetPathDrive( const char **name )
|
|
{
|
|
int drive;
|
|
const char *p = *name;
|
|
|
|
if (*p && (p[1] == ':'))
|
|
{
|
|
drive = toupper(*p) - 'A';
|
|
*name += 2;
|
|
}
|
|
else if (*p == '/') /* Absolute Unix path? */
|
|
{
|
|
if ((drive = DRIVE_FindDriveRoot( name )) == -1)
|
|
{
|
|
MSG("Warning: %s not accessible from a DOS drive\n", *name );
|
|
/* Assume it really was a DOS name */
|
|
drive = DRIVE_GetCurrentDrive();
|
|
}
|
|
}
|
|
else drive = DRIVE_GetCurrentDrive();
|
|
|
|
if (!DRIVE_IsValid(drive))
|
|
{
|
|
DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk );
|
|
return -1;
|
|
}
|
|
return drive;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_GetFullName
|
|
*
|
|
* Convert a file name (DOS or mixed DOS/Unix format) to a valid
|
|
* Unix name / short DOS name pair.
|
|
* Return FALSE if one of the path components does not exist. The last path
|
|
* component is only checked if 'check_last' is non-zero.
|
|
* The buffers pointed to by 'long_buf' and 'short_buf' must be
|
|
* at least MAX_PATHNAME_LEN long.
|
|
*/
|
|
BOOL32 DOSFS_GetFullName( LPCSTR name, BOOL32 check_last, DOS_FULL_NAME *full )
|
|
{
|
|
BOOL32 found;
|
|
UINT32 flags;
|
|
char *p_l, *p_s, *root;
|
|
|
|
TRACE(dosfs, "%s (last=%d)\n",
|
|
name, check_last );
|
|
|
|
if ((full->drive = DOSFS_GetPathDrive( &name )) == -1) return FALSE;
|
|
flags = DRIVE_GetFlags( full->drive );
|
|
|
|
lstrcpyn32A( full->long_name, DRIVE_GetRoot( full->drive ),
|
|
sizeof(full->long_name) );
|
|
if (full->long_name[1]) root = full->long_name + strlen(full->long_name);
|
|
else root = full->long_name; /* root directory */
|
|
|
|
strcpy( full->short_name, "A:\\" );
|
|
full->short_name[0] += full->drive;
|
|
|
|
if ((*name == '\\') || (*name == '/')) /* Absolute path */
|
|
{
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
}
|
|
else /* Relative path */
|
|
{
|
|
lstrcpyn32A( root + 1, DRIVE_GetUnixCwd( full->drive ),
|
|
sizeof(full->long_name) - (root - full->long_name) - 1 );
|
|
if (root[1]) *root = '/';
|
|
lstrcpyn32A( full->short_name + 3, DRIVE_GetDosCwd( full->drive ),
|
|
sizeof(full->short_name) - 3 );
|
|
}
|
|
|
|
p_l = full->long_name[1] ? full->long_name + strlen(full->long_name)
|
|
: full->long_name;
|
|
p_s = full->short_name[3] ? full->short_name + strlen(full->short_name)
|
|
: full->short_name + 2;
|
|
found = TRUE;
|
|
|
|
while (*name && found)
|
|
{
|
|
/* Check for '.' and '..' */
|
|
|
|
if (*name == '.')
|
|
{
|
|
if (IS_END_OF_NAME(name[1]))
|
|
{
|
|
name++;
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
continue;
|
|
}
|
|
else if ((name[1] == '.') && IS_END_OF_NAME(name[2]))
|
|
{
|
|
name += 2;
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
while ((p_l > root) && (*p_l != '/')) p_l--;
|
|
while ((p_s > full->short_name + 2) && (*p_s != '\\')) p_s--;
|
|
*p_l = *p_s = '\0'; /* Remove trailing separator */
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* Make sure buffers are large enough */
|
|
|
|
if ((p_s >= full->short_name + sizeof(full->short_name) - 14) ||
|
|
(p_l >= full->long_name + sizeof(full->long_name) - 1))
|
|
{
|
|
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
|
|
/* Get the long and short name matching the file name */
|
|
|
|
if ((found = DOSFS_FindUnixName( full->long_name, name, p_l + 1,
|
|
sizeof(full->long_name) - (p_l - full->long_name) - 1,
|
|
p_s + 1, !(flags & DRIVE_CASE_SENSITIVE) )))
|
|
{
|
|
*p_l++ = '/';
|
|
p_l += strlen(p_l);
|
|
*p_s++ = '\\';
|
|
p_s += strlen(p_s);
|
|
while (!IS_END_OF_NAME(*name)) name++;
|
|
}
|
|
else if (!check_last)
|
|
{
|
|
*p_l++ = '/';
|
|
*p_s++ = '\\';
|
|
while (!IS_END_OF_NAME(*name) &&
|
|
(p_s < full->short_name + sizeof(full->short_name) - 1) &&
|
|
(p_l < full->long_name + sizeof(full->long_name) - 1))
|
|
{
|
|
*p_s++ = tolower(*name);
|
|
/* If the drive is case-sensitive we want to create new */
|
|
/* files in lower-case otherwise we can't reopen them */
|
|
/* under the same short name. */
|
|
if (flags & DRIVE_CASE_SENSITIVE) *p_l++ = tolower(*name);
|
|
else *p_l++ = *name;
|
|
name++;
|
|
}
|
|
*p_l = *p_s = '\0';
|
|
}
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
if (check_last)
|
|
{
|
|
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
if (*name) /* Not last */
|
|
{
|
|
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
}
|
|
if (!full->long_name[0]) strcpy( full->long_name, "/" );
|
|
if (!full->short_name[2]) strcpy( full->short_name + 2, "\\" );
|
|
TRACE(dosfs, "returning %s = %s\n",
|
|
full->long_name, full->short_name );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetShortPathName32A (KERNEL32.271)
|
|
*/
|
|
DWORD WINAPI GetShortPathName32A( LPCSTR longpath, LPSTR shortpath,
|
|
DWORD shortlen )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
|
|
/* FIXME: is it correct to always return a fully qualified short path? */
|
|
if (!DOSFS_GetFullName( longpath, TRUE, &full_name )) return 0;
|
|
lstrcpyn32A( shortpath, full_name.short_name, shortlen );
|
|
return strlen( full_name.short_name );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetShortPathName32W (KERNEL32.272)
|
|
*/
|
|
DWORD WINAPI GetShortPathName32W( LPCWSTR longpath, LPWSTR shortpath,
|
|
DWORD shortlen )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
DWORD ret = 0;
|
|
LPSTR longpathA = HEAP_strdupWtoA( GetProcessHeap(), 0, longpath );
|
|
|
|
/* FIXME: is it correct to always return a fully qualified short path? */
|
|
if (DOSFS_GetFullName( longpathA, TRUE, &full_name ))
|
|
{
|
|
ret = strlen( full_name.short_name );
|
|
lstrcpynAtoW( shortpath, full_name.short_name, shortlen );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, longpathA );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetLongPathName32A (KERNEL32.xxx)
|
|
*/
|
|
DWORD WINAPI GetLongPathName32A( LPCSTR shortpath, LPSTR longpath,
|
|
DWORD longlen )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
char *p;
|
|
char *longfilename;
|
|
DWORD shortpathlen;
|
|
|
|
if (!DOSFS_GetFullName( shortpath, TRUE, &full_name )) return 0;
|
|
lstrcpyn32A( longpath, full_name.short_name, longlen );
|
|
/* Do some hackery to get the long filename.
|
|
* FIXME: Would be better if it returned the
|
|
* long version of the directories too
|
|
*/
|
|
longfilename = strrchr(full_name.long_name, '/')+1;
|
|
if (longpath != NULL) {
|
|
if ((p = strrchr( longpath, '\\' )) != NULL) {
|
|
p++;
|
|
longlen -= (p-longpath);
|
|
lstrcpyn32A( p, longfilename , longlen);
|
|
}
|
|
}
|
|
shortpathlen =
|
|
((strrchr( full_name.short_name, '\\' ) - full_name.short_name) + 1);
|
|
return shortpathlen + strlen( longfilename );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetLongPathName32W (KERNEL32.269)
|
|
*/
|
|
DWORD WINAPI GetLongPathName32W( LPCWSTR shortpath, LPWSTR longpath,
|
|
DWORD longlen )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
DWORD ret = 0;
|
|
LPSTR shortpathA = HEAP_strdupWtoA( GetProcessHeap(), 0, shortpath );
|
|
|
|
/* FIXME: is it correct to always return a fully qualified short path? */
|
|
if (DOSFS_GetFullName( shortpathA, TRUE, &full_name ))
|
|
{
|
|
ret = strlen( full_name.short_name );
|
|
lstrcpynAtoW( longpath, full_name.long_name, longlen );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, shortpathA );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_DoGetFullPathName
|
|
*
|
|
* Implementation of GetFullPathName32A/W.
|
|
*/
|
|
static DWORD DOSFS_DoGetFullPathName( LPCSTR name, DWORD len, LPSTR result,
|
|
BOOL32 unicode )
|
|
{
|
|
char buffer[MAX_PATHNAME_LEN];
|
|
int drive;
|
|
char *p;
|
|
|
|
TRACE(dosfs, "converting %s\n", name );
|
|
|
|
if (!name || !result) return 0;
|
|
|
|
if ((drive = DOSFS_GetPathDrive( &name )) == -1) return 0;
|
|
p = buffer;
|
|
*p++ = 'A' + drive;
|
|
*p++ = ':';
|
|
if (IS_END_OF_NAME(*name) && (*name)) /* Absolute path */
|
|
{
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
}
|
|
else /* Relative path or empty path */
|
|
{
|
|
*p++ = '\\';
|
|
lstrcpyn32A( p, DRIVE_GetDosCwd(drive), sizeof(buffer) - 3 );
|
|
if (*p) p += strlen(p); else p--;
|
|
}
|
|
if (!*name) /* empty path */
|
|
*p++ = '\\';
|
|
*p = '\0';
|
|
|
|
while (*name)
|
|
{
|
|
if (*name == '.')
|
|
{
|
|
if (IS_END_OF_NAME(name[1]))
|
|
{
|
|
name++;
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
continue;
|
|
}
|
|
else if ((name[1] == '.') && IS_END_OF_NAME(name[2]))
|
|
{
|
|
name += 2;
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
while ((p > buffer + 2) && (*p != '\\')) p--;
|
|
*p = '\0'; /* Remove trailing separator */
|
|
continue;
|
|
}
|
|
}
|
|
if (p >= buffer + sizeof(buffer) - 1)
|
|
{
|
|
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
|
|
return 0;
|
|
}
|
|
*p++ = '\\';
|
|
while (!IS_END_OF_NAME(*name) && (p < buffer + sizeof(buffer) - 1))
|
|
*p++ = *name++;
|
|
*p = '\0';
|
|
while ((*name == '\\') || (*name == '/')) name++;
|
|
}
|
|
|
|
if (!buffer[2])
|
|
{
|
|
buffer[2] = '\\';
|
|
buffer[3] = '\0';
|
|
}
|
|
if (!(DRIVE_GetFlags(drive) & DRIVE_CASE_PRESERVING))
|
|
CharUpper32A( buffer );
|
|
|
|
if (unicode) lstrcpynAtoW( (LPWSTR)result, buffer, len );
|
|
else lstrcpyn32A( result, buffer, len );
|
|
|
|
TRACE(dosfs, "returning %s\n", buffer );
|
|
return strlen(buffer);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFullPathName32A (KERNEL32.272)
|
|
*/
|
|
DWORD WINAPI GetFullPathName32A( LPCSTR name, DWORD len, LPSTR buffer,
|
|
LPSTR *lastpart )
|
|
{
|
|
DWORD ret = DOSFS_DoGetFullPathName( name, len, buffer, FALSE );
|
|
if (ret && lastpart)
|
|
{
|
|
LPSTR p = buffer + strlen(buffer);
|
|
while ((p > buffer + 2) && (*p != '\\')) p--;
|
|
*lastpart = p + 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFullPathName32W (KERNEL32.273)
|
|
*/
|
|
DWORD WINAPI GetFullPathName32W( LPCWSTR name, DWORD len, LPWSTR buffer,
|
|
LPWSTR *lastpart )
|
|
{
|
|
LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
|
|
DWORD ret = DOSFS_DoGetFullPathName( nameA, len, (LPSTR)buffer, TRUE );
|
|
HeapFree( GetProcessHeap(), 0, nameA );
|
|
if (ret && lastpart)
|
|
{
|
|
LPWSTR p = buffer + lstrlen32W(buffer);
|
|
while ((p > buffer + 2) && (*p != '\\')) p--;
|
|
*lastpart = p + 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DOSFS_FindNextEx
|
|
*/
|
|
static int DOSFS_FindNextEx( FIND_FIRST_INFO *info, WIN32_FIND_DATA32A *entry )
|
|
{
|
|
BYTE attr = info->attr | FA_UNUSED | FA_ARCHIVE | FA_RDONLY;
|
|
UINT32 flags = DRIVE_GetFlags( info->drive );
|
|
char *p, buffer[MAX_PATHNAME_LEN];
|
|
const char *drive_path;
|
|
int drive_root;
|
|
LPCSTR long_name, short_name;
|
|
BY_HANDLE_FILE_INFORMATION fileinfo;
|
|
char dos_name[13];
|
|
|
|
if ((info->attr & ~(FA_UNUSED | FA_ARCHIVE | FA_RDONLY)) == FA_LABEL)
|
|
{
|
|
if (info->cur_pos) return 0;
|
|
entry->dwFileAttributes = FILE_ATTRIBUTE_LABEL;
|
|
DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftCreationTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftLastAccessTime, 0 );
|
|
DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftLastWriteTime, 0 );
|
|
entry->nFileSizeHigh = 0;
|
|
entry->nFileSizeLow = 0;
|
|
entry->dwReserved0 = 0;
|
|
entry->dwReserved1 = 0;
|
|
DOSFS_ToDosDTAFormat( DRIVE_GetLabel( info->drive ), entry->cFileName );
|
|
strcpy( entry->cAlternateFileName, entry->cFileName );
|
|
info->cur_pos++;
|
|
return 1;
|
|
}
|
|
|
|
drive_path = info->path + strlen(DRIVE_GetRoot( info->drive ));
|
|
while ((*drive_path == '/') || (*drive_path == '\\')) drive_path++;
|
|
drive_root = !*drive_path;
|
|
|
|
lstrcpyn32A( buffer, info->path, sizeof(buffer) - 1 );
|
|
strcat( buffer, "/" );
|
|
p = buffer + strlen(buffer);
|
|
|
|
while (DOSFS_ReadDir( info->dir, &long_name, &short_name ))
|
|
{
|
|
info->cur_pos++;
|
|
|
|
/* Don't return '.' and '..' in the root of the drive */
|
|
if (drive_root && (long_name[0] == '.') &&
|
|
(!long_name[1] || ((long_name[1] == '.') && !long_name[2])))
|
|
continue;
|
|
|
|
/* Check the long mask */
|
|
|
|
if (info->long_mask)
|
|
{
|
|
if (!DOSFS_MatchLong( info->long_mask, long_name,
|
|
flags & DRIVE_CASE_SENSITIVE )) continue;
|
|
}
|
|
|
|
/* Check the short mask */
|
|
|
|
if (info->short_mask)
|
|
{
|
|
if (!short_name)
|
|
{
|
|
DOSFS_Hash( long_name, dos_name, TRUE,
|
|
!(flags & DRIVE_CASE_SENSITIVE) );
|
|
short_name = dos_name;
|
|
}
|
|
if (!DOSFS_MatchShort( info->short_mask, short_name )) continue;
|
|
}
|
|
|
|
/* Check the file attributes */
|
|
|
|
lstrcpyn32A( p, long_name, sizeof(buffer) - (int)(p - buffer) );
|
|
if (!FILE_Stat( buffer, &fileinfo ))
|
|
{
|
|
WARN(dosfs, "can't stat %s\n", buffer);
|
|
continue;
|
|
}
|
|
if (fileinfo.dwFileAttributes & ~attr) continue;
|
|
|
|
/* We now have a matching entry; fill the result and return */
|
|
|
|
entry->dwFileAttributes = fileinfo.dwFileAttributes;
|
|
entry->ftCreationTime = fileinfo.ftCreationTime;
|
|
entry->ftLastAccessTime = fileinfo.ftLastAccessTime;
|
|
entry->ftLastWriteTime = fileinfo.ftLastWriteTime;
|
|
entry->nFileSizeHigh = fileinfo.nFileSizeHigh;
|
|
entry->nFileSizeLow = fileinfo.nFileSizeLow;
|
|
|
|
if (short_name)
|
|
DOSFS_ToDosDTAFormat( short_name, entry->cAlternateFileName );
|
|
else
|
|
DOSFS_Hash( long_name, entry->cAlternateFileName, FALSE,
|
|
!(flags & DRIVE_CASE_SENSITIVE) );
|
|
|
|
lstrcpyn32A( entry->cFileName, long_name, sizeof(entry->cFileName) );
|
|
if (!(flags & DRIVE_CASE_PRESERVING)) CharLower32A( entry->cFileName );
|
|
TRACE(dosfs, "returning %s (%s) %02lx %ld\n",
|
|
entry->cFileName, entry->cAlternateFileName,
|
|
entry->dwFileAttributes, entry->nFileSizeLow );
|
|
return 1;
|
|
}
|
|
return 0; /* End of directory */
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DOSFS_FindNext
|
|
*
|
|
* Find the next matching file. Return the number of entries read to find
|
|
* the matching one, or 0 if no more entries.
|
|
* 'short_mask' is the 8.3 mask (in FCB format), 'long_mask' is the long
|
|
* file name mask. Either or both can be NULL.
|
|
*
|
|
* NOTE: This is supposed to be only called by the int21 emulation
|
|
* routines. Thus, we should own the Win16Mutex anyway.
|
|
* Nevertheless, we explicitly enter it to ensure the static
|
|
* directory cache is protected.
|
|
*/
|
|
int DOSFS_FindNext( const char *path, const char *short_mask,
|
|
const char *long_mask, int drive, BYTE attr,
|
|
int skip, WIN32_FIND_DATA32A *entry )
|
|
{
|
|
static FIND_FIRST_INFO info = { NULL };
|
|
LPCSTR short_name, long_name;
|
|
int count;
|
|
|
|
SYSLEVEL_EnterWin16Lock();
|
|
|
|
/* Check the cached directory */
|
|
if (!(info.dir && info.path == path && info.short_mask == short_mask
|
|
&& info.long_mask == long_mask && info.drive == drive
|
|
&& info.attr == attr && info.cur_pos <= skip))
|
|
{
|
|
/* Not in the cache, open it anew */
|
|
if (info.dir) DOSFS_CloseDir( info.dir );
|
|
|
|
info.path = (LPSTR)path;
|
|
info.long_mask = (LPSTR)long_mask;
|
|
info.short_mask = (LPSTR)short_mask;
|
|
info.attr = attr;
|
|
info.drive = drive;
|
|
info.cur_pos = 0;
|
|
info.dir = DOSFS_OpenDir( info.path );
|
|
}
|
|
|
|
/* Skip to desired position */
|
|
while (info.cur_pos < skip)
|
|
if (info.dir && DOSFS_ReadDir( info.dir, &long_name, &short_name ))
|
|
info.cur_pos++;
|
|
else
|
|
break;
|
|
|
|
if (info.dir && info.cur_pos == skip && DOSFS_FindNextEx( &info, entry ))
|
|
count = info.cur_pos - skip;
|
|
else
|
|
count = 0;
|
|
|
|
if (!count)
|
|
{
|
|
if (info.dir) DOSFS_CloseDir( info.dir );
|
|
memset( &info, '\0', sizeof(info) );
|
|
}
|
|
|
|
SYSLEVEL_LeaveWin16Lock();
|
|
|
|
return count;
|
|
}
|
|
|
|
|
|
|
|
/*************************************************************************
|
|
* FindFirstFile16 (KERNEL.413)
|
|
*/
|
|
HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATA32A *data )
|
|
{
|
|
DOS_FULL_NAME full_name;
|
|
HGLOBAL16 handle;
|
|
FIND_FIRST_INFO *info;
|
|
|
|
data->dwReserved0 = data->dwReserved1 = 0x0;
|
|
if (!path) return 0;
|
|
if (!DOSFS_GetFullName( path, FALSE, &full_name ))
|
|
return INVALID_HANDLE_VALUE16;
|
|
if (!(handle = GlobalAlloc16( GMEM_MOVEABLE, sizeof(FIND_FIRST_INFO) )))
|
|
return INVALID_HANDLE_VALUE16;
|
|
info = (FIND_FIRST_INFO *)GlobalLock16( handle );
|
|
info->path = HEAP_strdupA( SystemHeap, 0, full_name.long_name );
|
|
info->long_mask = strrchr( info->path, '/' );
|
|
*(info->long_mask++) = '\0';
|
|
info->short_mask = NULL;
|
|
info->attr = 0xff;
|
|
if (path[0] && (path[1] == ':')) info->drive = toupper(*path) - 'A';
|
|
else info->drive = DRIVE_GetCurrentDrive();
|
|
info->cur_pos = 0;
|
|
|
|
info->dir = DOSFS_OpenDir( info->path );
|
|
|
|
GlobalUnlock16( handle );
|
|
if (!FindNextFile16( handle, data ))
|
|
{
|
|
FindClose16( handle );
|
|
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
|
|
return INVALID_HANDLE_VALUE16;
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindFirstFile32A (KERNEL32.123)
|
|
*/
|
|
HANDLE32 WINAPI FindFirstFile32A( LPCSTR path, WIN32_FIND_DATA32A *data )
|
|
{
|
|
HANDLE32 handle = FindFirstFile16( path, data );
|
|
if (handle == INVALID_HANDLE_VALUE16) return INVALID_HANDLE_VALUE32;
|
|
return handle;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindFirstFile32W (KERNEL32.124)
|
|
*/
|
|
HANDLE32 WINAPI FindFirstFile32W( LPCWSTR path, WIN32_FIND_DATA32W *data )
|
|
{
|
|
WIN32_FIND_DATA32A dataA;
|
|
LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
|
|
HANDLE32 handle = FindFirstFile32A( pathA, &dataA );
|
|
HeapFree( GetProcessHeap(), 0, pathA );
|
|
if (handle != INVALID_HANDLE_VALUE32)
|
|
{
|
|
data->dwFileAttributes = dataA.dwFileAttributes;
|
|
data->ftCreationTime = dataA.ftCreationTime;
|
|
data->ftLastAccessTime = dataA.ftLastAccessTime;
|
|
data->ftLastWriteTime = dataA.ftLastWriteTime;
|
|
data->nFileSizeHigh = dataA.nFileSizeHigh;
|
|
data->nFileSizeLow = dataA.nFileSizeLow;
|
|
lstrcpyAtoW( data->cFileName, dataA.cFileName );
|
|
lstrcpyAtoW( data->cAlternateFileName, dataA.cAlternateFileName );
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindNextFile16 (KERNEL.414)
|
|
*/
|
|
BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATA32A *data )
|
|
{
|
|
FIND_FIRST_INFO *info;
|
|
|
|
if (!(info = (FIND_FIRST_INFO *)GlobalLock16( handle )))
|
|
{
|
|
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
GlobalUnlock16( handle );
|
|
if (!info->path || !info->dir)
|
|
{
|
|
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
if (!DOSFS_FindNextEx( info, data ))
|
|
{
|
|
DOSFS_CloseDir( info->dir ); info->dir = NULL;
|
|
HeapFree( SystemHeap, 0, info->path );
|
|
info->path = info->long_mask = NULL;
|
|
DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindNextFile32A (KERNEL32.126)
|
|
*/
|
|
BOOL32 WINAPI FindNextFile32A( HANDLE32 handle, WIN32_FIND_DATA32A *data )
|
|
{
|
|
return FindNextFile16( handle, data );
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindNextFile32W (KERNEL32.127)
|
|
*/
|
|
BOOL32 WINAPI FindNextFile32W( HANDLE32 handle, WIN32_FIND_DATA32W *data )
|
|
{
|
|
WIN32_FIND_DATA32A dataA;
|
|
if (!FindNextFile32A( handle, &dataA )) return FALSE;
|
|
data->dwFileAttributes = dataA.dwFileAttributes;
|
|
data->ftCreationTime = dataA.ftCreationTime;
|
|
data->ftLastAccessTime = dataA.ftLastAccessTime;
|
|
data->ftLastWriteTime = dataA.ftLastWriteTime;
|
|
data->nFileSizeHigh = dataA.nFileSizeHigh;
|
|
data->nFileSizeLow = dataA.nFileSizeLow;
|
|
lstrcpyAtoW( data->cFileName, dataA.cFileName );
|
|
lstrcpyAtoW( data->cAlternateFileName, dataA.cAlternateFileName );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindClose16 (KERNEL.415)
|
|
*/
|
|
BOOL16 WINAPI FindClose16( HANDLE16 handle )
|
|
{
|
|
FIND_FIRST_INFO *info;
|
|
|
|
if ((handle == INVALID_HANDLE_VALUE16) ||
|
|
!(info = (FIND_FIRST_INFO *)GlobalLock16( handle )))
|
|
{
|
|
DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk );
|
|
return FALSE;
|
|
}
|
|
if (info->dir) DOSFS_CloseDir( info->dir );
|
|
if (info->path) HeapFree( SystemHeap, 0, info->path );
|
|
GlobalUnlock16( handle );
|
|
GlobalFree16( handle );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* FindClose32 (KERNEL32.119)
|
|
*/
|
|
BOOL32 WINAPI FindClose32( HANDLE32 handle )
|
|
{
|
|
return FindClose16( (HANDLE16)handle );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_UnixTimeToFileTime
|
|
*
|
|
* Convert a Unix time to FILETIME format.
|
|
* The FILETIME structure is a 64-bit value representing the number of
|
|
* 100-nanosecond intervals since January 1, 1601, 0:00.
|
|
* 'remainder' is the nonnegative number of 100-ns intervals
|
|
* corresponding to the time fraction smaller than 1 second that
|
|
* couldn't be stored in the time_t value.
|
|
*/
|
|
void DOSFS_UnixTimeToFileTime( time_t unix_time, FILETIME *filetime,
|
|
DWORD remainder )
|
|
{
|
|
/* NOTES:
|
|
|
|
CONSTANTS:
|
|
The time difference between 1 January 1601, 00:00:00 and
|
|
1 January 1970, 00:00:00 is 369 years, plus the leap years
|
|
from 1604 to 1968, excluding 1700, 1800, 1900.
|
|
This makes (1968 - 1600) / 4 - 3 = 89 leap days, and a total
|
|
of 134774 days.
|
|
|
|
Any day in that period had 24 * 60 * 60 = 86400 seconds.
|
|
|
|
The time difference is 134774 * 86400 * 10000000, which can be written
|
|
116444736000000000
|
|
27111902 * 2^32 + 3577643008
|
|
413 * 2^48 + 45534 * 2^32 + 54590 * 2^16 + 32768
|
|
|
|
If you find that these constants are buggy, please change them in all
|
|
instances in both conversion functions.
|
|
|
|
VERSIONS:
|
|
There are two versions, one of them uses long long variables and
|
|
is presumably faster but not ISO C. The other one uses standard C
|
|
data types and operations but relies on the assumption that negative
|
|
numbers are stored as 2's complement (-1 is 0xffff....). If this
|
|
assumption is violated, dates before 1970 will not convert correctly.
|
|
This should however work on any reasonable architecture where WINE
|
|
will run.
|
|
|
|
DETAILS:
|
|
|
|
Take care not to remove the casts. I have tested these functions
|
|
(in both versions) for a lot of numbers. I would be interested in
|
|
results on other compilers than GCC.
|
|
|
|
The operations have been designed to account for the possibility
|
|
of 64-bit time_t in future UNICES. Even the versions without
|
|
internal long long numbers will work if time_t only is 64 bit.
|
|
A 32-bit shift, which was necessary for that operation, turned out
|
|
not to work correctly in GCC, besides giving the warning. So I
|
|
used a double 16-bit shift instead. Numbers are in the ISO version
|
|
represented by three limbs, the most significant with 32 bit, the
|
|
other two with 16 bit each.
|
|
|
|
As the modulo-operator % is not well-defined for negative numbers,
|
|
negative divisors have been avoided in DOSFS_FileTimeToUnixTime.
|
|
|
|
There might be quicker ways to do this in C. Certainly so in
|
|
assembler.
|
|
|
|
Claus Fischer, fischer@iue.tuwien.ac.at
|
|
*/
|
|
|
|
#if (SIZEOF_LONG_LONG >= 8)
|
|
# define USE_LONG_LONG 1
|
|
#else
|
|
# define USE_LONG_LONG 0
|
|
#endif
|
|
|
|
#if USE_LONG_LONG /* gcc supports long long type */
|
|
|
|
long long int t = unix_time;
|
|
t *= 10000000;
|
|
t += 116444736000000000LL;
|
|
t += remainder;
|
|
filetime->dwLowDateTime = (UINT32)t;
|
|
filetime->dwHighDateTime = (UINT32)(t >> 32);
|
|
|
|
#else /* ISO version */
|
|
|
|
UINT32 a0; /* 16 bit, low bits */
|
|
UINT32 a1; /* 16 bit, medium bits */
|
|
UINT32 a2; /* 32 bit, high bits */
|
|
|
|
/* Copy the unix time to a2/a1/a0 */
|
|
a0 = unix_time & 0xffff;
|
|
a1 = (unix_time >> 16) & 0xffff;
|
|
/* This is obsolete if unix_time is only 32 bits, but it does not hurt.
|
|
Do not replace this by >> 32, it gives a compiler warning and it does
|
|
not work. */
|
|
a2 = (unix_time >= 0 ? (unix_time >> 16) >> 16 :
|
|
~((~unix_time >> 16) >> 16));
|
|
|
|
/* Multiply a by 10000000 (a = a2/a1/a0)
|
|
Split the factor into 10000 * 1000 which are both less than 0xffff. */
|
|
a0 *= 10000;
|
|
a1 = a1 * 10000 + (a0 >> 16);
|
|
a2 = a2 * 10000 + (a1 >> 16);
|
|
a0 &= 0xffff;
|
|
a1 &= 0xffff;
|
|
|
|
a0 *= 1000;
|
|
a1 = a1 * 1000 + (a0 >> 16);
|
|
a2 = a2 * 1000 + (a1 >> 16);
|
|
a0 &= 0xffff;
|
|
a1 &= 0xffff;
|
|
|
|
/* Add the time difference and the remainder */
|
|
a0 += 32768 + (remainder & 0xffff);
|
|
a1 += 54590 + (remainder >> 16 ) + (a0 >> 16);
|
|
a2 += 27111902 + (a1 >> 16);
|
|
a0 &= 0xffff;
|
|
a1 &= 0xffff;
|
|
|
|
/* Set filetime */
|
|
filetime->dwLowDateTime = (a1 << 16) + a0;
|
|
filetime->dwHighDateTime = a2;
|
|
#endif
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DOSFS_FileTimeToUnixTime
|
|
*
|
|
* Convert a FILETIME format to Unix time.
|
|
* If not NULL, 'remainder' contains the fractional part of the filetime,
|
|
* in the range of [0..9999999] (even if time_t is negative).
|
|
*/
|
|
time_t DOSFS_FileTimeToUnixTime( const FILETIME *filetime, DWORD *remainder )
|
|
{
|
|
/* Read the comment in the function DOSFS_UnixTimeToFileTime. */
|
|
#if USE_LONG_LONG
|
|
|
|
long long int t = filetime->dwHighDateTime;
|
|
t <<= 32;
|
|
t += (UINT32)filetime->dwLowDateTime;
|
|
t -= 116444736000000000LL;
|
|
if (t < 0)
|
|
{
|
|
if (remainder) *remainder = 9999999 - (-t - 1) % 10000000;
|
|
return -1 - ((-t - 1) / 10000000);
|
|
}
|
|
else
|
|
{
|
|
if (remainder) *remainder = t % 10000000;
|
|
return t / 10000000;
|
|
}
|
|
|
|
#else /* ISO version */
|
|
|
|
UINT32 a0; /* 16 bit, low bits */
|
|
UINT32 a1; /* 16 bit, medium bits */
|
|
UINT32 a2; /* 32 bit, high bits */
|
|
UINT32 r; /* remainder of division */
|
|
unsigned int carry; /* carry bit for subtraction */
|
|
int negative; /* whether a represents a negative value */
|
|
|
|
/* Copy the time values to a2/a1/a0 */
|
|
a2 = (UINT32)filetime->dwHighDateTime;
|
|
a1 = ((UINT32)filetime->dwLowDateTime ) >> 16;
|
|
a0 = ((UINT32)filetime->dwLowDateTime ) & 0xffff;
|
|
|
|
/* Subtract the time difference */
|
|
if (a0 >= 32768 ) a0 -= 32768 , carry = 0;
|
|
else a0 += (1 << 16) - 32768 , carry = 1;
|
|
|
|
if (a1 >= 54590 + carry) a1 -= 54590 + carry, carry = 0;
|
|
else a1 += (1 << 16) - 54590 - carry, carry = 1;
|
|
|
|
a2 -= 27111902 + carry;
|
|
|
|
/* If a is negative, replace a by (-1-a) */
|
|
negative = (a2 >= ((UINT32)1) << 31);
|
|
if (negative)
|
|
{
|
|
/* Set a to -a - 1 (a is a2/a1/a0) */
|
|
a0 = 0xffff - a0;
|
|
a1 = 0xffff - a1;
|
|
a2 = ~a2;
|
|
}
|
|
|
|
/* Divide a by 10000000 (a = a2/a1/a0), put the rest into r.
|
|
Split the divisor into 10000 * 1000 which are both less than 0xffff. */
|
|
a1 += (a2 % 10000) << 16;
|
|
a2 /= 10000;
|
|
a0 += (a1 % 10000) << 16;
|
|
a1 /= 10000;
|
|
r = a0 % 10000;
|
|
a0 /= 10000;
|
|
|
|
a1 += (a2 % 1000) << 16;
|
|
a2 /= 1000;
|
|
a0 += (a1 % 1000) << 16;
|
|
a1 /= 1000;
|
|
r += (a0 % 1000) * 10000;
|
|
a0 /= 1000;
|
|
|
|
/* If a was negative, replace a by (-1-a) and r by (9999999 - r) */
|
|
if (negative)
|
|
{
|
|
/* Set a to -a - 1 (a is a2/a1/a0) */
|
|
a0 = 0xffff - a0;
|
|
a1 = 0xffff - a1;
|
|
a2 = ~a2;
|
|
|
|
r = 9999999 - r;
|
|
}
|
|
|
|
if (remainder) *remainder = r;
|
|
|
|
/* Do not replace this by << 32, it gives a compiler warning and it does
|
|
not work. */
|
|
return ((((time_t)a2) << 16) << 16) + (a1 << 16) + a0;
|
|
#endif
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DosDateTimeToFileTime (KERNEL32.76)
|
|
*/
|
|
BOOL32 WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
|
|
{
|
|
struct tm newtm;
|
|
|
|
newtm.tm_sec = (fattime & 0x1f) * 2;
|
|
newtm.tm_min = (fattime >> 5) & 0x3f;
|
|
newtm.tm_hour = (fattime >> 11);
|
|
newtm.tm_mday = (fatdate & 0x1f);
|
|
newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
|
|
newtm.tm_year = (fatdate >> 9) + 80;
|
|
DOSFS_UnixTimeToFileTime( mktime( &newtm ), ft, 0 );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FileTimeToDosDateTime (KERNEL32.111)
|
|
*/
|
|
BOOL32 WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
|
|
LPWORD fattime )
|
|
{
|
|
time_t unixtime = DOSFS_FileTimeToUnixTime( ft, NULL );
|
|
struct tm *tm = localtime( &unixtime );
|
|
if (fattime)
|
|
*fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
|
|
if (fatdate)
|
|
*fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5)
|
|
+ tm->tm_mday;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LocalFileTimeToFileTime (KERNEL32.373)
|
|
*/
|
|
BOOL32 WINAPI LocalFileTimeToFileTime( const FILETIME *localft,
|
|
LPFILETIME utcft )
|
|
{
|
|
struct tm *xtm;
|
|
DWORD remainder;
|
|
|
|
/* convert from local to UTC. Perhaps not correct. FIXME */
|
|
time_t unixtime = DOSFS_FileTimeToUnixTime( localft, &remainder );
|
|
xtm = gmtime( &unixtime );
|
|
DOSFS_UnixTimeToFileTime( mktime(xtm), utcft, remainder );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FileTimeToLocalFileTime (KERNEL32.112)
|
|
*/
|
|
BOOL32 WINAPI FileTimeToLocalFileTime( const FILETIME *utcft,
|
|
LPFILETIME localft )
|
|
{
|
|
DWORD remainder;
|
|
/* convert from UTC to local. Perhaps not correct. FIXME */
|
|
time_t unixtime = DOSFS_FileTimeToUnixTime( utcft, &remainder );
|
|
#ifdef HAVE_TIMEGM
|
|
struct tm *xtm = localtime( &unixtime );
|
|
time_t localtime;
|
|
|
|
localtime = timegm(xtm);
|
|
DOSFS_UnixTimeToFileTime( localtime, localft, remainder );
|
|
|
|
#else
|
|
struct tm *xtm,*gtm;
|
|
time_t time1,time2;
|
|
|
|
xtm = localtime( &unixtime );
|
|
gtm = gmtime( &unixtime );
|
|
time1 = mktime(xtm);
|
|
time2 = mktime(gtm);
|
|
DOSFS_UnixTimeToFileTime( 2*time1-time2, localft, remainder );
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FileTimeToSystemTime (KERNEL32.113)
|
|
*/
|
|
BOOL32 WINAPI FileTimeToSystemTime( const FILETIME *ft, LPSYSTEMTIME syst )
|
|
{
|
|
struct tm *xtm;
|
|
DWORD remainder;
|
|
time_t xtime = DOSFS_FileTimeToUnixTime( ft, &remainder );
|
|
xtm = gmtime(&xtime);
|
|
syst->wYear = xtm->tm_year+1900;
|
|
syst->wMonth = xtm->tm_mon + 1;
|
|
syst->wDayOfWeek = xtm->tm_wday;
|
|
syst->wDay = xtm->tm_mday;
|
|
syst->wHour = xtm->tm_hour;
|
|
syst->wMinute = xtm->tm_min;
|
|
syst->wSecond = xtm->tm_sec;
|
|
syst->wMilliseconds = remainder / 10000;
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* QueryDosDeviceA (KERNEL32.413)
|
|
*
|
|
* returns array of strings terminated by \0, terminated by \0
|
|
*/
|
|
DWORD WINAPI QueryDosDevice32A(LPCSTR devname,LPSTR target,DWORD bufsize)
|
|
{
|
|
LPSTR s;
|
|
char buffer[200];
|
|
|
|
TRACE(dosfs,"(%s,...)\n",devname?devname:"<null>");
|
|
if (!devname) {
|
|
/* return known MSDOS devices */
|
|
lstrcpy32A(buffer,"CON COM1 COM2 LPT1 NUL ");
|
|
while ((s=strchr(buffer,' ')))
|
|
*s='\0';
|
|
|
|
lstrcpyn32A(target,buffer,bufsize);
|
|
return strlen(buffer);
|
|
}
|
|
lstrcpy32A(buffer,"\\DEV\\");
|
|
lstrcat32A(buffer,devname);
|
|
if ((s=strchr(buffer,':'))) *s='\0';
|
|
lstrcpyn32A(target,buffer,bufsize);
|
|
return strlen(buffer);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* QueryDosDeviceW (KERNEL32.414)
|
|
*
|
|
* returns array of strings terminated by \0, terminated by \0
|
|
*/
|
|
DWORD WINAPI QueryDosDevice32W(LPCWSTR devname,LPWSTR target,DWORD bufsize)
|
|
{
|
|
LPSTR devnameA = devname?HEAP_strdupWtoA(GetProcessHeap(),0,devname):NULL;
|
|
LPSTR targetA = (LPSTR)HEAP_xalloc(GetProcessHeap(),0,bufsize);
|
|
DWORD ret = QueryDosDevice32A(devnameA,targetA,bufsize);
|
|
|
|
lstrcpynAtoW(target,targetA,bufsize);
|
|
if (devnameA) HeapFree(GetProcessHeap(),0,devnameA);
|
|
if (targetA) HeapFree(GetProcessHeap(),0,targetA);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SystemTimeToFileTime (KERNEL32.526)
|
|
*/
|
|
BOOL32 WINAPI SystemTimeToFileTime( const SYSTEMTIME *syst, LPFILETIME ft )
|
|
{
|
|
#ifdef HAVE_TIMEGM
|
|
struct tm xtm;
|
|
time_t utctime;
|
|
#else
|
|
struct tm xtm,*local_tm,*utc_tm;
|
|
time_t localtim,utctime;
|
|
#endif
|
|
|
|
xtm.tm_year = syst->wYear-1900;
|
|
xtm.tm_mon = syst->wMonth - 1;
|
|
xtm.tm_wday = syst->wDayOfWeek;
|
|
xtm.tm_mday = syst->wDay;
|
|
xtm.tm_hour = syst->wHour;
|
|
xtm.tm_min = syst->wMinute;
|
|
xtm.tm_sec = syst->wSecond; /* this is UTC */
|
|
xtm.tm_isdst = -1;
|
|
#ifdef HAVE_TIMEGM
|
|
utctime = timegm(&xtm);
|
|
DOSFS_UnixTimeToFileTime( utctime, ft,
|
|
syst->wMilliseconds * 10000 );
|
|
#else
|
|
localtim = mktime(&xtm); /* now we've got local time */
|
|
local_tm = localtime(&localtim);
|
|
utc_tm = gmtime(&localtim);
|
|
utctime = mktime(utc_tm);
|
|
DOSFS_UnixTimeToFileTime( 2*localtim -utctime, ft,
|
|
syst->wMilliseconds * 10000 );
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL32 WINAPI DefineDosDevice32A(DWORD flags,LPCSTR devname,LPCSTR targetpath) {
|
|
FIXME(dosfs,"(0x%08lx,%s,%s),stub!\n",flags,devname,targetpath);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|